Key Skills in Environmental Management Flashcards
Aim
Identifies the purpose of your investigation
Hypothesis
A statement on the topic that you are investigating
Independent variable
Variable that is deliberately changed in this experiment
Dependent variable
Variable that is measured in an experiment
Null hypothesis
A hypothesis stating that there is no relationship between the two variables being investigated
Alternative hypothesis
A hypothesis stating that there is a relationship between the two variables being investigated
Bias
Encouraging one outcome over another
Pilot study
A trial run of a survey, which aims to discover any problems with the survey
Mean
The total of all values divided by the total number of values
Mode
The value with the highest frequency
Median
The value in the middle after the data has been sorted into ascending order